Electromagnetic field apparatus



FIG. 1 is a top, front and side perspective view of an electromagneticfield apparatus showing our new design;

FIG. 2 is a top, rear and side perspective view thereof;

FIG. 3 is a left side elevation view thereof; the right side elevationalview is a mirror image of the left side elevational view; and,

FIG. 4 is a front elevation view thereof.

The broken lines shown represent unclaimed subject matter and form nopart of the claimed design.

CLAIM We claim the ornamental design for an electromagnetic fieldapparatus, as shown and described.